<!-- Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ --> <!DOCTYPE html> <html> <head> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> </head> <body> <script type="application/javascript"> window.Worker; // resolve not through assignment Worker = 17; var desc = Object.getOwnPropertyDescriptor(window, "Worker"); ok(typeof desc === "object" && desc !== null, "Worker property must exist"); is(desc.value, 17, "Overwrite didn't work correctly"); is(desc.enumerable, false, "Initial descriptor was non-enumerable, and [[Put]] changes the " + "property value but not its enumerability"); is(desc.configurable, true, "Initial descriptor was configurable, and [[Put]] changes the " + "property value but not its configurability"); is(desc.writable, true, "Initial descriptor was writable, and [[Put]] changes the " + "property value but not its writability"); </script> </body> </html>